咬
紧
牙
根
y
á
o
y
ǎ
o
j
ǐ
n
j
ǐ
n
y
á
y
á
g
ē
n
g
ē
n
Definitions
1. see 咬緊牙關|咬紧牙关[yao3 jin3 ya2 guan1]
Components
咬紧
yǎo jǐn
–
grit one's teeth
牙根
yá gēn
–
root of tooth